REN and diabetes mellitus: Compared to those aged 65 to 74, a lower proportion of near centenarians had claims for medicines acting on the renin-angiotensin system (41% vs. 51%), lipid lowering therapy (11% vs. 49%), antiinflammatories (14% vs. 32%), antihistamines (7% vs. 11%) and medicines for airways disease (17% vs. 25%) and diabetes (4% vs. 14%) (table 4).